package com.example.blog.mapper;

import com.example.blog.model.UserInfo;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

@Mapper
public interface UserInfoMapper {
    /**
     * 根据用户名查询用户信息
     * @return
     */
    @Select("select * from user where delete_flag = 0 and user_name = #{userName}")
    UserInfo selectByName(String userName);

    /**
     * 根据用户 id, 查询用户信息
     * @return
     */
    @Select("select * from user where delete_flag = 0 and id = #{id}")
    UserInfo selectById(Integer id);

    @Insert("insert into user (user_name, password) values (#{userName}, #{password})")
    Integer insertUserInfo(UserInfo userInfo);
}
